DRAWING SKETCHES IN THE SKETCHER WORKBENCH-1
Most components designed using CATIA V5-R19 are a combination of
sketched features, placed features, and derived features. The placed feature is
created without drawing a sketch whereas the sketched features require a sketch
that defines its shape.
The sketcher workbench provides the space and tools to draw sketches of
the solid model. Generally, the first sketch drawn to start the decision is
called the base sketch, which is then converted into a base feature. However,
once we gate familiar with the advanced option of CATIA V5, we will also be
able to use a drive feature or a derived part as the based feature.
To draw a sketch, invoke the sketcher workbench in the part design
workbench or the assembly design workbench by closing the sketch tool from the
sketcher toolbar. Next select a plane to draw a sketch. Draw the sketch and
proceed the part design or wireframe and surface design workbench to convert it
into a solid model or surface model.
Starting with new file
Invoking the sketcher workbench using the sketch tool.
To invoke the sketcher
workbench using the method, choose the sketch
tool from sketch. Select a plane from three default planes in the specification
tree of from the geometry area the sketcher
workbench will be invoked and the selected plane will be oriented parallel
to the screen. We will be prompted
to select an object or command.
SETTING THE SKETCHER WORKBENCH
Modifying Units
To modify
units, invoke the Options General option to expand the tree.
from Tool menu. Next, click
on the + sign the left of the Choose the parameter
and measure option and then
choose the units and then Ok.
TOOLBARS
There are various standard toolbars and buttons that appear in the
workbenches of CATIA V5. These toolbar are discussed next.
Standard Toolbar
This toolbar is common in all
workbench of CATIA V5.
The tools in this toolbar are used to start anew file, open a existing
file, save a file, and print the current documents. These buttons are also used
to cut and place the selection and temporary clipboard, copy a selection, paste
the content from the keyboard to the selected location, undo, redo, and invoke
the help topics. What’s this? Provides help on the toolbar icons.
Part Design Workbench Toolbars
We can invoke the part design
workbench by choosing the new button from stander toolbar and selecting part
from new dialog box displayed. Alternatively we can choose
Start>Mechanical
Design>Part Design from the menubar. The toolbar in
the Part design workbench are
discussed next.
View toolbar
The button in the view toolbar are used for manipulating the view of the
model using the tool such as pan, zoom, normal viewing about a planar surface,
face of plane, defining a render style and so on. It is available on the all
workbenches.
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